Jon Corzine, the former head of MF Global Holdings Ltd., masterminded a scheme to inflate earnings that led to the eighth-biggest bankruptcy in U.S. history, according to an updated lawsuit filed by a trustee for the failed futures broker.

Hedge funds increased positions on a gold rally by the most in two months as the U.S. economy expanded less than previously estimated, boosting speculation the Federal Reserve will maintain the pace of stimulus.

The MF Global Chapter 11 trustee and an insurance subsidiary are battling customer claims to a $120 million insurance policy with the official customer advocate—the MF Global Inc. trustee — standing mostly on the sideline according to customer advocates.